oleum

[ oh-lee-uh m ]
/ ˈoʊ li əm /

noun, plural o·le·a [oh-lee-uh] /ˈoʊ li ə/ for 1, o·le·ums for 2.

Pharmacology. oil.
Chemistry. pyrosulfuric acid.

Origin of oleum

1900–05; < Latin: oil
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for olea

British Dictionary definitions for olea (1 of 2)

olea
/ (ˈəʊlɪə) /

noun

a plural of oleum

British Dictionary definitions for olea (2 of 2)

oleum
/ (ˈəʊlɪəm) /

noun plural olea (ˈəʊlɪə) or oleums

another name for fuming sulphuric acid

Word Origin for oleum

from Latin: oil, referring to its oily consistency
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012